[ie/radiko] Improve extraction (#8221)

Authored by: garret1317
This commit is contained in:
garret 2023-10-06 23:53:11 +01:00 committed by GitHub
parent 2f2dda3a7e
commit 2ad3873f0d
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@ -1,4 +1,5 @@
import base64
import random
import urllib.parse
from .common import InfoExtractor
@ -13,6 +14,7 @@
class RadikoBaseIE(InfoExtractor):
_GEO_BYPASS = False
_FULL_KEY = None
_HOSTS_FOR_TIME_FREE_FFMPEG_UNSUPPORTED = (
'https://c-rpaa.smartstream.ne.jp',
@ -32,7 +34,7 @@ class RadikoBaseIE(InfoExtractor):
'https://c-radiko.smartstream.ne.jp',
)
def _auth_client(self):
def _negotiate_token(self):
_, auth1_handle = self._download_webpage_handle(
'https://radiko.jp/v2/api/auth1', None, 'Downloading authentication page',
headers={
@ -58,10 +60,23 @@ def _auth_client(self):
'x-radiko-partialkey': partial_key,
}).split(',')[0]
if area_id == 'OUT':
self.raise_geo_restricted(countries=['JP'])
auth_data = (auth_token, area_id)
self.cache.store('radiko', 'auth_data', auth_data)
return auth_data
def _auth_client(self):
cachedata = self.cache.load('radiko', 'auth_data')
if cachedata is not None:
response = self._download_webpage(
'https://radiko.jp/v2/api/auth_check', None, 'Checking cached token', expected_status=401,
headers={'X-Radiko-AuthToken': cachedata[0], 'X-Radiko-AreaId': cachedata[1]})
if response == 'OK':
return cachedata
return self._negotiate_token()
def _extract_full_key(self):
if self._FULL_KEY:
return self._FULL_KEY
@ -75,7 +90,7 @@ def _extract_full_key(self):
if full_key:
full_key = full_key.encode()
else: # use full key ever known
else: # use only full key ever known
full_key = b'bcd151073c03b352e1ef2fd66c32209da9ca0afa'
self._FULL_KEY = full_key
@ -103,24 +118,24 @@ def _extract_formats(self, video_id, station, is_onair, ft, cursor, auth_token,
m3u8_playlist_data = self._download_xml(
f'https://radiko.jp/v3/station/stream/pc_html5/{station}.xml', video_id,
note='Downloading stream information')
m3u8_urls = m3u8_playlist_data.findall('.//url')
formats = []
found = set()
for url_tag in m3u8_urls:
pcu = url_tag.find('playlist_create_url').text
url_attrib = url_tag.attrib
timefree_int = 0 if is_onair else 1
for element in m3u8_playlist_data.findall(f'.//url[@timefree="{timefree_int}"]/playlist_create_url'):
pcu = element.text
if pcu in found:
continue
found.add(pcu)
playlist_url = update_url_query(pcu, {
'station_id': station,
**query,
'l': '15',
'lsid': '88ecea37e968c1f17d5413312d9f8003',
'lsid': ''.join(random.choices('0123456789abcdef', k=32)),
'type': 'b',
})
if playlist_url in found:
continue
else:
found.add(playlist_url)
time_to_skip = None if is_onair else cursor - ft
@ -138,7 +153,7 @@ def _extract_formats(self, video_id, station, is_onair, ft, cursor, auth_token,
not is_onair and pcu.startswith(self._HOSTS_FOR_TIME_FREE_FFMPEG_UNSUPPORTED)):
sf['preference'] = -100
sf['format_note'] = 'not preferred'
if not is_onair and url_attrib['timefree'] == '1' and time_to_skip:
if not is_onair and timefree_int == 1 and time_to_skip:
sf['downloader_options'] = {'ffmpeg_args': ['-ss', time_to_skip]}
formats.extend(subformats)
@ -166,21 +181,7 @@ def _real_extract(self, url):
vid_int = unified_timestamp(video_id, False)
prog, station_program, ft, radio_begin, radio_end = self._find_program(video_id, station, vid_int)
auth_cache = self.cache.load('radiko', 'auth_data')
for attempt in range(2):
auth_token, area_id = (not attempt and auth_cache) or self._auth_client()
formats = self._extract_formats(
video_id=video_id, station=station, is_onair=False,
ft=ft, cursor=vid_int, auth_token=auth_token, area_id=area_id,
query={
'start_at': radio_begin,
'ft': radio_begin,
'end_at': radio_end,
'to': radio_end,
'seek': video_id,
})
if formats:
break
auth_token, area_id = self._auth_client()
return {
'id': video_id,
@ -189,8 +190,18 @@ def _real_extract(self, url):
'uploader': try_call(lambda: station_program.find('.//name').text),
'uploader_id': station,
'timestamp': vid_int,
'formats': formats,
'is_live': True,
'formats': self._extract_formats(
video_id=video_id, station=station, is_onair=False,
ft=ft, cursor=vid_int, auth_token=auth_token, area_id=area_id,
query={
'start_at': radio_begin,
'ft': radio_begin,
'end_at': radio_end,
'to': radio_end,
'seek': video_id
}
),
}